switch between panes

CXTPDockingPaneTabbedContainer* GetParentContainer(CWnd* pParentWnd)

{

       if (pParentWnd == NULL || pParentWnd->GetSafeHwnd() == NULL) // no Window attached

              return NULL;

       while (pParentWnd != NULL)

       {

              if (DYNAMIC_DOWNCAST(CXTPDockingPaneTabbedContainer, pParentWnd))

                     return (CXTPDockingPaneTabbedContainer*)pParentWnd;

              pParentWnd = pParentWnd->GetParent();

       }

       return NULL;

}

BOOL CMainFrame::PreTranslateMessage(MSG* pMsg)

{

       if (pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_F6 && (GetKeyState(VK_CONTROL) < 0))

       {

              CXTPDockingPaneTabbedContainer* pContainer = GetParentContainer(GetFocus());

              if (pContainer && pContainer->GetPanes().GetCount() > 1)

              {

                     CXTPDockingPane* pSelected = pContainer->GetPanes().GetHead();

                     POSITION pos = pContainer->GetPanes().GetHeadPosition();

                     while (pos)

                     {

                              CXTPDockingPane* pPane = pContainer->GetPanes().GetNext(pos);

                              if (pPane == pContainer->GetSelected())

                              {

                                      if (pos)

                                             pSelected = pContainer->GetPanes().GetNext(pos);

                                      break;                               

                              }

                     }

                     ASSERT(pSelected);

                     pSelected->Select();

                     return TRUE;

              }             

       }

       return  CXTPMDIFrameWnd::PreTranslateMessage(pMsg);

}